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Multiple fission- the nucleus of the parent cell divides many times by mitosis producing several nuclei. The cytoplasm then separates creating multiple daughter cells. Eg-plasmodium. Spore formation- many multicellular orgs forms spores during their biological cycle ,process called spore formation. The parent plant produces 100s of microscopic reproductive unit cells called spores. Spores burst and spread in air. When get favourable conditions they get germinate.

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what is dormancy

Posted by Subhpreet Singh 8 years ago

CBSE > Class 12 > Biology

1 answers

Tanya Choudhary 8 years ago

Period in which organism's growth and development are temporarily stopped

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What is Amphitropous?????

Posted by Vikitha M 8 years ago

CBSE > Class 12 > Biology

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Who is father of genetics

Posted by Siraj Khan 8 years ago

CBSE > Class 12 > Biology

1 answers

Dolly Singh 8 years ago

George mendel

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Posted by Ashish Raj 8 years ago

CBSE > Class 12 > Biology

1 answers

Rochie Joshi 8 years ago

Biology m j kha pr h ?

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Sexual reproduction

Posted by Ruby Sharma 8 years ago

CBSE > Class 12 > Biology

1 answers

Garima Suyal 8 years ago

Formation of. Zygote by the mating of two opposite Partners such as male and female.

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What if we convert 50 % of human into zombie

Posted by Pawan Thakur 8 years ago

CBSE > Class 12 > Biology

1 answers

Puneet K 8 years ago

Abhe chal nikl

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What do you mean by inbreeding depression ?

Posted by Dipanshu Bokade 8 years ago

CBSE > Class 12 > Biology

1 answers

Rochie Joshi 8 years ago

When two organisms breed continuously in thier same spices the productivity and quality of progeny decrease steadily..

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How vallisneria and ceratophyllum differ in pollination ?

Posted by Dipanshu Bokade 8 years ago

CBSE > Class 12 > Biology

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Hello friends✋ Pls add me in your friend circle ??? Plssssssss ???

Posted by Priyanka S 8 years ago

CBSE > Class 12 > Biology

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What is vegetative propogation

Posted by Nikhil Chauhan 8 years ago

CBSE > Class 12 > Biology

3 answers

Piyush Dayal 8 years ago

Ex. Leaf of brophyllum ( leaf propagation ) .

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Piyush Dayal 8 years ago

The production of new vegetative structure not from root but from other vegetative part of plant

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Puneet K 8 years ago

Its a kind of asexual reproduction in higher plants predominantly. There are different means for this(vegetative propaguels)

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What is thyroid diseases

Posted by Henrick Mibang 8 years ago

CBSE > Class 12 > Biology

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Thyroid disease

Posted by Henrick Mibang 8 years ago

CBSE > Class 12 > Biology

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What is vaccination

Posted by Harkomal Kaur 8 years ago

CBSE > Class 12 > Biology

1 answers

Naina Vashishth 8 years ago

Injection of some medicine inside the body to protect it from a particular disease for example vaccination of polio

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What is pathogen

Posted by Chandru Vasan 8 years ago

CBSE > Class 12 > Biology

2 answers

Rochie Joshi 8 years ago

Of*

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Rochie Joshi 8 years ago

A carrier if disease and acts sometimes like a vector also .. Ex. Anopheles mosq.

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Difference between carpal and pistil

Posted by Haurav Bamhania 4 years, 9 months ago

CBSE > Class 12 > Biology

1 answers

Sia ? 4 years, 9 months ago

Carpel	Pistil
Carpel is the female part of the flower consisting of stigma, style and ovary.	Pistil can be either the same as an individual carpel or a collection of carpels fused together.
Made up of stigma, style and ovary.	May contain one or more carpel.
Their number can be counted, by counting the number of separate carpel.	Their number can be counted by counting the number of separate ovaries in the flower.
They function mainly by producing eggs.	Egg production is absent in pistil.
Fertilization occurs.	Fertilization does not occur.
Their main function is dispersal of seed.	They work as the female reproductive part of flowers.
Seed production is there.	Seed production is not there.

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Ecology chapter in short

Posted by Prinsy Gariya 8 years ago

CBSE > Class 12 > Biology

1 answers

Rochie Joshi 8 years ago

Yr bhn phle eng. Pdle abhi bio m tm h

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Ratio of incomplete dominance

Posted by Prinsy Gariya 8 years ago

CBSE > Class 12 > Biology

1 answers

Sushmita Mishra 8 years ago

Didi kl english ka paper h, bio. Ka nhi

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What is there difference between sperm and semen

Posted by Sahil Bhai Patre 8 years ago

CBSE > Class 12 > Biology

2 answers

Kaustubh Thakre 8 years ago

Sperm is the motile microscopic male reproductive cell which is transmitted into the female reproductive system through a process of sexual intercourse. ... On the other hand, semen refers to the seminal fluid that is a whitish and viscous liquid released from the *****.

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Piyush Dayal 8 years ago

Sperm is the secretion of the testis alone but semen is the sperm along with the accessory secretion of other glands

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Are people here retarded?

Posted by A Cj 8 years ago

CBSE > Class 12 > Biology